Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(527)

Side by Side Diff: src/compiler/osr.cc

Issue 1122423003: [turbofan] Add support for advanced reducers. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Move comment Created 5 years, 7 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « src/compiler/node-marker.cc ('k') | src/compiler/pipeline.cc » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 // Copyright 2014 the V8 project authors. All rights reserved. 1 // Copyright 2014 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/compiler.h" 5 #include "src/compiler.h"
6 #include "src/compiler/all-nodes.h" 6 #include "src/compiler/all-nodes.h"
7 #include "src/compiler/common-operator.h" 7 #include "src/compiler/common-operator.h"
8 #include "src/compiler/control-reducer.h" 8 #include "src/compiler/control-reducer.h"
9 #include "src/compiler/frame.h" 9 #include "src/compiler/frame.h"
10 #include "src/compiler/graph.h" 10 #include "src/compiler/graph.h"
(...skipping 321 matching lines...) Expand 10 before | Expand all | Expand 10 after
332 // and run the control reducer to clean up the graph. 332 // and run the control reducer to clean up the graph.
333 osr_normal_entry->ReplaceUses(dead); 333 osr_normal_entry->ReplaceUses(dead);
334 osr_normal_entry->Kill(); 334 osr_normal_entry->Kill();
335 osr_loop_entry->ReplaceUses(graph->start()); 335 osr_loop_entry->ReplaceUses(graph->start());
336 osr_loop_entry->Kill(); 336 osr_loop_entry->Kill();
337 337
338 // Normally the control reducer removes loops whose first input is dead, 338 // Normally the control reducer removes loops whose first input is dead,
339 // but we need to avoid that because the osr_loop is reachable through 339 // but we need to avoid that because the osr_loop is reachable through
340 // the second input, so reduce it and its phis manually. 340 // the second input, so reduce it and its phis manually.
341 osr_loop->ReplaceInput(0, dead); 341 osr_loop->ReplaceInput(0, dead);
342 Node* node = ControlReducer::ReduceMerge(jsgraph, common, osr_loop); 342 Node* node = ControlReducer::ReduceMerge(jsgraph, osr_loop);
343 if (node != osr_loop) osr_loop->ReplaceUses(node); 343 if (node != osr_loop) osr_loop->ReplaceUses(node);
344 344
345 // Run the normal control reduction, which naturally trims away the dead 345 // Run the normal control reduction, which naturally trims away the dead
346 // parts of the graph. 346 // parts of the graph.
347 ControlReducer::ReduceGraph(tmp_zone, jsgraph, common); 347 ControlReducer::ReduceGraph(tmp_zone, jsgraph);
348 } 348 }
349 349
350 350
351 void OsrHelper::SetupFrame(Frame* frame) { 351 void OsrHelper::SetupFrame(Frame* frame) {
352 // The optimized frame will subsume the unoptimized frame. Do so by reserving 352 // The optimized frame will subsume the unoptimized frame. Do so by reserving
353 // the first spill slots. 353 // the first spill slots.
354 frame->ReserveSpillSlots(UnoptimizedFrameSlots()); 354 frame->ReserveSpillSlots(UnoptimizedFrameSlots());
355 // The frame needs to be adjusted by the number of unoptimized frame slots. 355 // The frame needs to be adjusted by the number of unoptimized frame slots.
356 frame->SetOsrStackSlotCount(static_cast<int>(UnoptimizedFrameSlots())); 356 frame->SetOsrStackSlotCount(static_cast<int>(UnoptimizedFrameSlots()));
357 } 357 }
358 358
359 359
360 } // namespace compiler 360 } // namespace compiler
361 } // namespace internal 361 } // namespace internal
362 } // namespace v8 362 } // namespace v8
OLDNEW
« no previous file with comments | « src/compiler/node-marker.cc ('k') | src/compiler/pipeline.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698